1. P. Beckley, N. Layland, E. Hopper, The Impact of Surface Coating Insulation on Small Motor Performance, 15th IIT Conference, Chicago, May 1996.
2. Steel Products Manual on Flat Rolled Electrical Steel, AISI, January 1983.
3. D. Snell, A. Coombs, Novel Coating Technology for Non-Oriented Electrical Steels, SMM14, 1999.